Pith Number

pith:JOLU7U2M

pith:2005:JOLU7U2MQDD25SOIUR6IQJR6JE

not attested not anchored not stored refs pending

Statistical analysis of 22 public transport networks in Poland

Janusz A. Holyst, Julian Sienkiewicz

arxiv:physics/0506074 v2 · 2005-06-08 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOLU7U2MQDD25SOIUR6IQJR6JE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:26:54.233862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b974fd34c80c7aec9c8a47c88263e490bc36ee87c6ee1dc7cdc5754bebcbcb3

Aliases

arxiv: physics/0506074 · arxiv_version: physics/0506074v2 · doi: 10.48550/arxiv.physics/0506074 · pith_short_12: JOLU7U2MQDD2 · pith_short_16: JOLU7U2MQDD25SOI · pith_short_8: JOLU7U2M

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JOLU7U2MQDD25SOIUR6IQJR6JE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4b974fd34c80c7aec9c8a47c88263e490bc36ee87c6ee1dc7cdc5754bebcbcb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f15cb28fdf5b03e3ec87d25c97d4af1cbf08567f23d3b97ab6e54c68fcb169",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2005-06-08T17:46:27Z",
    "title_canon_sha256": "223c4c352dab760ebda1a058eff772b4a1d29b33093319d90073e5369df9d44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0506074",
    "kind": "arxiv",
    "version": 2
  }
}